How to add zeros to string in the table of the ADF

I have af:table with a column that can have values such as "01", "STW", "RT003", etc., from the DB.

I want to display the total length of 10 String with no leading zeros if the length is less than 10.  How can I do?

I tried under expression groovy in VO and gives an error

String.format("%10s", mycolumnname). Replace (' ', '0')

Another option is to add an attribute derived from SQL in your VO, who gets the necessary column padded with zeros using built-in SQL Oracle LPAD function. For example, you can use the following SQL expression for the new attribute:

LPAD (column_name, 10, '0')

Another option is to add a transient attribute to your VO and specify an expression good Groovy for it, for example:

(voAttrName is nothing)? ("NULL: String.format("%1\$10s ", voAttrName) .replace (' ', '0')

Notice the backslash in front of the dollar sign. It is necessary to escape the dollar sign, which is a special character in Groovy.

This approach is not good if the VO attribute value can contain spaces, as spaces of the value will be replaced by zeros too.

Dimitar

Tags: Java

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